Tolerance Stack-up Analysis By James D. Meadows

Take a dimensioned drawing with true position callouts. Convert that position callout (Diameter at MMC) into a linear tolerance (Radius at RFS). Meadows’ book provides the $0.5 \times \textTolerance$ conversion rule.

Perhaps the most compelling aspect of Meadows’ approach is his advocacy for analysis as a cultural habit, not just a troubleshooting step. tolerance stack-up analysis by james d. meadows

By mastering Meadows’ techniques, you stop being a designer who draws ideal models and become an engineer who builds real products. You learn to answer the two most expensive questions in manufacturing: Will it fit? and How often will it fail? Take a dimensioned drawing with true position callouts